12
Donaldson™ iCue™ Sensor Integrated Gateway
Digital Sensors
The Donaldson™ iCue™ Sensor Integrated Gateway can accommodate sensors with normally open or normally closed dry
contacts. A physical jumper on the gateway circuit board is used to configure the board for the appropriate sensing scenario and
should be set according to the following position:
Digital "High" Switch
Digital "Low" Switch
Sensed Stated - By Gateway
Wiring Diagram Unactuated
Switch State
Actuated
Switch State
Jumper
Setting
Normally Open Contact - High
Digital High Switch
Low
High
GND
Normally Closed Contact - High
Digital High Switch
High
Low
GND
Normally Open Contact - Low
Digital Low Switch
High
Low
3V3
Normally Closed Contact - Low
Digital Low Switch
Low
High
3V3
Note: This is a low voltage connection. 3.3VDC may be present on one side of the contact.
